package com.itheima.jicheng.test4;

public class Demo4 {
    public static void main(String[] args) {
        Student s = new Student("张三",23);
        /*s.setName("张三");
        s.setAge(23);*/

        System.out.println(s.getName() + "..." + s.getAge());
    }
}
class Person{ // 一个简单事物的描述类 -- javabean
    private String name;
    private int age;

    public Person() {
    }

    public Person(String name, int age) {
        this.name = name;
        this.age = age;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public int getAge() {
        return age;
    }

    public void setAge(int age) {
        this.age = age;
    }
}

class Student extends Person {
    public Student() {
    }

    public Student(String name, int age) {
        super(name, age);
    }
}
